package com.wsj.util.tool;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.StringTokenizer;

public class FileOperate {
    private String message;
    public FileOperate() {
    } 
    /**
     * ��ȡ�ı��ļ�����
     * @param filePathAndName ����������·�����ļ���
     * @param encoding �ı��ļ��򿪵ı��뷽ʽ
     * @return �����ı��ļ�������
     */
    public String readTxt(String filePathAndName,String encoding) throws IOException{
     encoding = encoding.trim();
     StringBuffer str = new StringBuffer("");
     String st = "";
     try{
      FileInputStream fs = new FileInputStream(filePathAndName);
      InputStreamReader isr;
      if(encoding.equals("")){
       isr = new InputStreamReader(fs);
      }else{
       isr = new InputStreamReader(fs,encoding);
      }
      BufferedReader br = new BufferedReader(isr);
      try{
       String data = "";
       while((data = br.readLine())!=null){
         str.append(data+" "); 
       }
      }catch(Exception e){
       str.append(e.toString());
      }
      st = str.toString();
     }catch(IOException es){
      st = "";
     }
     return st;     
    }
    
    /**
     * ��ȡ�ı��ļ�����
     * @param filePathAndName ����������·�����ļ���
     * @param encoding �ı��ļ��򿪵ı��뷽ʽ
     * @return �����ı��ļ�������
     */
    public String readTxt_N(String filePathAndName,String encoding) throws IOException{
     encoding = encoding.trim();
     StringBuffer str = new StringBuffer("");
     String st = "";
     try{
      FileInputStream fs = new FileInputStream(filePathAndName);
      InputStreamReader isr;
      if(encoding.equals("")){
       isr = new InputStreamReader(fs);
      }else{
       isr = new InputStreamReader(fs,encoding);
      }
      BufferedReader br = new BufferedReader(isr);
      try{
       String data = "";
       while((data = br.readLine())!=null){
         str.append(data+"\n"); 
       }
      }catch(Exception e){
       str.append(e.toString());
      }
      st = str.toString();
     }catch(IOException es){
      st = "";
     }
     return st;     
    }

    /**
     * �½�Ŀ¼
     * @param folderPath Ŀ¼
     * @return ����Ŀ¼�������·��
     */
    public String createFolder(String folderPath) {
        String txt = folderPath;
        try {
            java.io.File myFilePath = new java.io.File(txt);
            txt = folderPath;
            if (!myFilePath.exists()) {
                myFilePath.mkdir();
            }
        }
        catch (Exception e) {
            message = "����Ŀ¼������";
        }
        return txt;
    }
    
    /**
     * �༶Ŀ¼����
     * @param folderPath ׼��Ҫ�ڱ���Ŀ¼�´�����Ŀ¼��Ŀ¼·�� ���� c:myf
     * @param paths ���޼�Ŀ¼�����Ŀ¼�Ե�������� ���� a|b|c
     * @return ���ش����ļ����·�� ���� c:myfac
     */
    public String createFolders(String folderPath, String paths){
        String txts = folderPath;
        try{
            String txt;
            txts = folderPath;
            if(txts.lastIndexOf("/")!=txts.length()){ 
                txts = createFolder(txts+"/");    
            }
            StringTokenizer st = new StringTokenizer(paths,"|");
            for(int i=0; st.hasMoreTokens(); i++){
                    txt = st.nextToken().trim();
                    if(txts.lastIndexOf("/")==txts.length()){ 
                        txts = createFolder(txts+txt);
                    }else{
                        txts = createFolder(txts+txt+"/");    
                    } 
            }
       }catch(Exception e){
           message = "����Ŀ¼�����?";
       }
        return txts;
    }
    
    /**
     * ���·�������ļ���
     * @param folderPath ׼��Ҫ�ڱ���Ŀ¼�´�����Ŀ¼��Ŀ¼·�� ���� c:/myf/
     * @param paths ���޼�Ŀ¼����Ŀ¼������� folderPath ��·�� ���� a/b/c
     * @return ���ش����ļ����·�� ���� c:/myf/a/c
     */
    public String CreateFolders(String folderPath, String paths){
        String txts = folderPath;
        try{
            String txt;
            txts = folderPath;
            if(txts.lastIndexOf("/")!=txts.length()){ 
                txts = createFolder(txts+"/");    
            }
            StringTokenizer st = new StringTokenizer(paths,"/");
            for(int i=0; st.hasMoreTokens(); i++){
                    txt = st.nextToken().trim();
                    if(txts.lastIndexOf("/")==txts.length()){ 
                        txts = createFolder(txts+txt);
                    }else{
                        txts = createFolder(txts+txt+"/");    
                    } 
            }
       }catch(Exception e){
           message = "����Ŀ¼�����?";
       }
        return txts;
    }

    
    /**
     * �½��ļ�
     * @param filePathAndName �ı��ļ�������·�����ļ���
     * @param fileContent �ı��ļ�����
     * @return
     */
    public void createFile(String filePathAndName, String fileContent) {
     
        try {
            String filePath = filePathAndName;
            filePath = filePath.toString();
            File myFilePath = new File(filePath);
            if (!myFilePath.exists()) {
                myFilePath.createNewFile();
            }
            FileWriter resultFile = new FileWriter(myFilePath);
            PrintWriter myFile = new PrintWriter(resultFile);
            String strContent = fileContent;
            myFile.println(strContent);
            myFile.close();
            resultFile.close();
        }
        catch (Exception e) {
            message = "�����ļ�������";
        }
    }


    /**
     * �б��뷽ʽ���ļ�����
     * @param filePathAndName �ı��ļ�������·�����ļ���
     * @param fileContent �ı��ļ�����
     * @param encoding ���뷽ʽ ���� GBK ���� UTF-8
     * @return
     */
    public void createFile(String filePathAndName, String fileContent, String encoding) {
     
        try {
            String filePath = filePathAndName;
            filePath = filePath.toString();
            File myFilePath = new File(filePath);
            if (!myFilePath.exists()) {
                myFilePath.createNewFile();
            }
            PrintWriter myFile = new PrintWriter(myFilePath,encoding);
            String strContent = fileContent;
            myFile.println(strContent);
            myFile.close();
        }
        catch (Exception e) {
            message = "�����ļ�������";
        }
    } 


    /**
     * ɾ���ļ�
     * @param filePathAndName �ı��ļ�������·�����ļ���
     * @return Boolean �ɹ�ɾ���true�����쳣����false
     */
    public boolean delFile(String filePathAndName) {
     boolean bea = false;
        try {
            String filePath = filePathAndName;
            File myDelFile = new File(filePath);
            if(myDelFile.exists()){
             myDelFile.delete();
             bea = true;
            }else{
             bea = false;
             message = (filePathAndName+"ɾ���ļ�������");
            }
        }
        catch (Exception e) {
            message = e.toString();
        }
        return bea;
    }
    


    /**
     * ɾ���ļ���
     * @param folderPath �ļ���������·��
     * @return
     */
    public void delFolder(String folderPath) {
        try {
            delAllFile(folderPath); //ɾ����������������
            String filePath = folderPath;
            filePath = filePath.toString();
            java.io.File myFilePath = new java.io.File(filePath);
            myFilePath.delete(); //ɾ����ļ���
        }
        catch (Exception e) {
            message = ("ɾ���ļ��в�����");
        }
    }
    
    
    /**
     * ɾ��ָ���ļ����������ļ�
     * @param path �ļ���������·��
     * @return
     * @return
     */
    public boolean delAllFile(String path) {
     boolean bea = false;
        File file = new File(path);
        if (!file.exists()) {
            return bea;
        }
        if (!file.isDirectory()) {
            return bea;
        }
        String[] tempList = file.list();
        File temp = null;
        for (int i = 0; i < tempList.length; i++) {
            if (path.endsWith(File.separator)) {
                temp = new File(path + tempList[i]);
            }else{
                temp = new File(path + File.separator + tempList[i]);
            }
            if (temp.isFile()) {
                temp.delete();
            }
            if (temp.isDirectory()) {
                delAllFile(path+"/"+ tempList[i]);//��ɾ���ļ���������ļ�
                delFolder(path+"/"+ tempList[i]);//��ɾ����ļ���
                bea = true;
            }
        }
        return bea;
    }


    /**
     * ���Ƶ����ļ�
     * @param oldPathFile ׼�����Ƶ��ļ�Դ
     * @param newPathFile �������¾��·�����ļ���
     * @return
     */
    public void copyFile(String oldPathFile, String newPathFile) {
        try {
            int bytesum = 0;
            int byteread = 0;
            File oldfile = new File(oldPathFile);
            if (oldfile.exists()) { //�ļ�����ʱ
                InputStream inStream = new FileInputStream(oldPathFile); //����ԭ�ļ�
                FileOutputStream fs = new FileOutputStream(newPathFile);
                byte[] buffer = new byte[1444];
                while((byteread = inStream.read(buffer)) != -1){
                    bytesum += byteread;  
                    fs.write(buffer, 0, byteread);
                }
                inStream.close();
            }
        }catch (Exception e) {
            message = ("���Ƶ����ļ�������");
        }
    }
    

    /**
     * ��������ļ��е�����
     * @param oldPath ׼��������Ŀ¼
     * @param newPath ָ�����·������Ŀ¼
     * @return
     */
    public void copyFolder(String oldPath, String newPath) {
        try {
            new File(newPath).mkdirs(); //����ļ��в����� ��b���ļ���
            File a=new File(oldPath);
            String[] file=a.list();
            File temp=null;
            for (int i = 0; i < file.length; i++) {
                if(oldPath.endsWith(File.separator)){
                    temp=new File(oldPath+file[i]);
                }else{
                    temp=new File(oldPath+File.separator+file[i]);
                }
                if(temp.isFile()){
                    FileInputStream input = new FileInputStream(temp);
                    FileOutputStream output = new FileOutputStream(newPath + "/" +
                    (temp.getName()).toString());
                    byte[] b = new byte[1024 * 5];
                    int len;
                    while ((len = input.read(b)) != -1) {
                        output.write(b, 0, len);
                    }
                    output.flush();
                    output.close();
                    input.close();
                }
                if(temp.isDirectory()){
                    copyFolder(oldPath+"/"+file[i],newPath+"/"+file[i]);
                }
            }
        }catch (Exception e) {
            message = "��������ļ������ݲ�����";
        }
    }


    /**
     * �ƶ��ļ�
     * @param oldPath
     * @param newPath
     * @return
     */
    public void moveFile(String oldPath, String newPath) {
        copyFile(oldPath, newPath);
        delFile(oldPath);
    }
    

    /**
     * �ƶ�Ŀ¼
     * @param oldPath
     * @param newPath
     * @return
     */
    public void moveFolder(String oldPath, String newPath) {
        copyFolder(oldPath, newPath);
        delFolder(oldPath);
    }
    public String getMessage(){
        return this.message;
    }
    
}
